Saw the Grateful Dead or Janis Joplin at the Straight Theater, formerly the Haight Theater at Haight and Cole. (Shown are Jerry Garcia and Joplin in a still from the documentary film 'Festival Express')

Saw the Grateful Dead or Janis Joplin at the Straight Theater, formerly the Haight Theater at Haight and Cole. (Shown are Jerry Garcia and Joplin in a still from the documentary film 'Festival Express')

Know the record store where you might find a world-famous DJ spinning electronica for free. (Vinyl Dreams at Haight and Steiner; here Thomas Fehlmann of The Orb plays before a show in S.F. in September).

Know the record store where you might find a world-famous DJ spinning electronica for free. (Vinyl Dreams at Haight and Steiner; here Thomas Fehlmann of The Orb plays before a show in S.F. in September).

Photo: Douglas Zimmerman, SFGate

Know the record store where you might find a world-famous DJ... Photo-5378252.72839 - StamfordAdvocate

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Weren't that shocked when Sean Farrell, the 4-year-old subject of the documentary 'Following Sean,' said he smoked pot at his Haight apartment in the '60s.

Weren't that shocked when Sean Farrell, the 4-year-old subject of the documentary 'Following Sean,' said he smoked pot at his Haight apartment in the '60s.